X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Faudiooss.h;fp=cinelerra-5.1%2Fcinelerra%2Faudiooss.h;h=50a8bf7ee4553c18eca599887b378cac4d19c504;hb=30bdb85eb33a8ee7ba675038a86c6be59c43d7bd;hp=0000000000000000000000000000000000000000;hpb=52fcc46226f9df46f9ce9d0566dc568455a7db0b;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/audiooss.h b/cinelerra-5.1/cinelerra/audiooss.h
new file mode 100644
index 00000000..50a8bf7e
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/audiooss.h
@@ -0,0 +1,93 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#ifndef AUDIOOSS_H
+#define AUDIOOSS_H
+
+#include "audiodevice.h"
+#include "condition.inc"
+#include "playbackconfig.inc"
+
+#ifdef HAVE_OSS
+#include <sys/soundcard.h>
+
+class OSSThread : public Thread
+{
+public:
+	OSSThread(AudioOSS *device);
+	~OSSThread();
+	
+	void run();
+	void write_data(int fd, unsigned char *data, int bytes);
+	void read_data(int fd, unsigned char *data, int bytes);
+// Must synchronize reads and writes
+	void wait_read();
+	void wait_write();
+	int64_t device_position();
+	
+	Condition *input_lock;
+	Condition *output_lock;
+	Condition *read_lock;
+	Condition *write_lock;
+	int rd, wr, fd;
+	unsigned char *data;
+	int bytes;
+	int done;
+	AudioOSS *device;
+
+	int64_t bytes_written;
+	Timer *timer;
+	int delay;
+	Mutex *timer_lock;
+
+};
+
+class AudioOSS : public AudioLowLevel
+{
+public:
+	AudioOSS(AudioDevice *device);
+	~AudioOSS();
+	
+	int open_input();
+	int open_output();
+	int write_buffer(char *buffer, int bytes);
+	int read_buffer(char *buffer, int bytes);
+	int close_all();
+	int64_t device_position();
+	int flush_device();
+	int interrupt_playback();
+
+private:
+	int get_fmt(int bits);
+	int sizetofrag(int samples, int channels, int bits);
+	int set_cloexec_flag(int desc, int value);
+	int get_output(int number);
+	int get_input(int number);
+	int dsp_in[MAXDEVICES], dsp_out[MAXDEVICES];
+	OSSThread *thread[MAXDEVICES];
+// Temp for each device, Bytes allocated
+	unsigned char *data[MAXDEVICES];
+	int data_allocated[MAXDEVICES];
+};
+
+#endif
+
+#endif